CLEARING CODES USING DIAGNOSTIC CODE
TOOL (NON-SCAN)
10. Refer to appropriate Troubleshooting and/or
Diagnostic Charts
1.
2.
3.
4.
Install diagnostic code tool.
Turn key ON.
NOTE: When clearing codes without the use of a
scan tool, the battery must be fully charged and
cranking speed must be at least 300 RPM. The ability
toclearcodesisdirectlydependentonthebatterybe-
ing fully charged and able to start the engine with ad-
equate cranking RPM.
Select service mode on code tool.
To clear codes, move the throttle, while in neutral,
from 0% to 100% then back to 0%.
A poorly charged battery or engine cranking problem
may result in an ECM “reset” and may not allow
stored trouble codes to be cleared from EEPROM
memory. If this condition exists, BE SURE the battery
is fully charged. If a low battery condition does exists
the audio warning buzzer will come on for 2 seconds
after engine start-up.
5.
6.
7.
8.
9.
Exit “Service Mode” on code tool.
Start engine and let run for fifteen seconds.
Turn key OFF for 5 seconds.
Select “Service Mode” on code tool.
Turn key ON and read codes. If codes are still
present, check note following and repeat from
Step 1.
•
•
•
•
•
IGNITION “OFF.”
MARINE DIAGNOSTIC CODE TOOL
INSTALL MARINE DIAGNOSTIC CODE TOOL.
SWITCH TO NORMAL MODE.
IGNITION “ON.”
NOTE “MALFUNCTION INDICATOR LAMP”.
STEADY LAMP
NO LAMP
FLASHING CODE 12
USE CHART A-1.
CHECK FOR GROUNDED
DIAGNOSTIC TEST CKT 451.
OR FAULTY TOOL.
YES
NO
DID ENGINE START PRIOR
TO DIAGNOSTIC CIRCUIT CHECK
USE CHART A-2.
YES
NO
SWITCH CODE TOOL “SERVICE
MODE”ARE ANY CODES OTHER
THAN CODE 12 DISPLAYED?
USE CHART A-3.
YES
NO
DOES A CUSTOMER COMPLAINT OR
DRIVEABILITY PROBLEM CURRENTLY EXIST?
REFER TO APPLICABLE
“NON-SCAN” CODE
CHART. START WITH
LOWEST CODE FIRST.
YES
NO
REFER TO TROUBLE-
SHOOTING SECTION.
FAULT IS NOT
PRESENT AT
THIS TIME.
Index
5C-50 - ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY)
90-823224--2 796
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you